Correlation of smoking and coffee drinking with sperm progressive motility in infertile males.

The objective of the study was to assess the effect of some social characteristics on the forward progressive motion of sperms in males of infertile couples. The study was conducted in the Department of Obstetrics and Gynecology, King Kahlid University Hospital (KKUH), Riyadh, from September 1, 1994 to February 28, 1995. Semen specimens were obtained from 68 Saudi males of infertile couples, and 29 fertile males.